Wait they have flavors?
If you aren't smoking that often take it easy, it takes time for your pallet to adjust to the flavor profiles, sometimes if you hold the smoke in your mouth for a few seconds and exhale slowly it will help you pick up the taste notes.
What kind of sticks do you smoke, you might want to try something a bit more on the medium side or a nice maduro, something with a more pronounced flavors and a bit of punch to them.
It also depends on what you drink while you smoke, you might want to just try drinking water with a stick and see if that helps you pick up any of the subtle flavors, all in all give it time for your tastes to adjust.
I'm sure others can give better advice but that's my
